/*
- * Copyright (c) 2000-2002 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2007 Apple Inc. All rights reserved.
*
- * @APPLE_LICENSE_HEADER_START@
- *
- * Copyright (c) 1999-2003 Apple Computer, Inc. All Rights Reserved.
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
*
* This file contains Original Code and/or Modifications of Original Code
* as defined in and that are subject to the Apple Public Source License
* Version 2.0 (the 'License'). You may not use this file except in
- * compliance with the License. Please obtain a copy of the License at
- * http://www.opensource.apple.com/apsl/ and read it before using this
- * file.
+ * compliance with the License. The rights granted to you under the License
+ * may not be used to create, or enable the creation or redistribution of,
+ * unlawful or unlicensed copies of an Apple operating system, or to
+ * circumvent, violate, or enable the circumvention or violation of, any
+ * terms of an Apple operating system software license agreement.
+ *
+ * Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this file.
*
* The Original Code and all software distributed under the License are
* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
* Please see the License for the specific language governing rights and
* limitations under the License.
*
- * @APPLE_LICENSE_HEADER_END@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
*/
/*
* @OSF_COPYRIGHT@
*
*/
-#ifndef VM_STATISTICS_H_
-#define VM_STATISTICS_H_
+#ifndef _MACH_VM_STATISTICS_H_
+#define _MACH_VM_STATISTICS_H_
#include <mach/machine/vm_types.h>
struct vm_statistics {
- integer_t free_count; /* # of pages free */
- integer_t active_count; /* # of pages active */
- integer_t inactive_count; /* # of pages inactive */
- integer_t wire_count; /* # of pages wired down */
- integer_t zero_fill_count; /* # of zero fill pages */
- integer_t reactivations; /* # of pages reactivated */
- integer_t pageins; /* # of pageins */
- integer_t pageouts; /* # of pageouts */
- integer_t faults; /* # of faults */
- integer_t cow_faults; /* # of copy-on-writes */
- integer_t lookups; /* object cache lookups */
- integer_t hits; /* object cache hits */
+ natural_t free_count; /* # of pages free */
+ natural_t active_count; /* # of pages active */
+ natural_t inactive_count; /* # of pages inactive */
+ natural_t wire_count; /* # of pages wired down */
+ natural_t zero_fill_count; /* # of zero fill pages */
+ natural_t reactivations; /* # of pages reactivated */
+ natural_t pageins; /* # of pageins */
+ natural_t pageouts; /* # of pageouts */
+ natural_t faults; /* # of faults */
+ natural_t cow_faults; /* # of copy-on-writes */
+ natural_t lookups; /* object cache lookups */
+ natural_t hits; /* object cache hits */
+
+ /* added for rev1 */
+ natural_t purgeable_count; /* # of pages purgeable */
+ natural_t purges; /* # of pages purged */
+
+ /* added for rev2 */
+ /*
+ * NB: speculative pages are already accounted for in "free_count",
+ * so "speculative_count" is the number of "free" pages that are
+ * used to hold data that was read speculatively from disk but
+ * haven't actually been used by anyone so far.
+ */
+ natural_t speculative_count; /* # of pages speculative */
};
typedef struct vm_statistics *vm_statistics_t;
#define VM_PAGE_QUERY_PAGE_FICTITIOUS 0x2
#define VM_PAGE_QUERY_PAGE_REF 0x4
#define VM_PAGE_QUERY_PAGE_DIRTY 0x8
+#define VM_PAGE_QUERY_PAGE_PAGED_OUT 0x10
+#define VM_PAGE_QUERY_PAGE_COPIED 0x20
+#define VM_PAGE_QUERY_PAGE_SPECULATIVE 0x40
+#ifdef MACH_KERNEL_PRIVATE
/*
* Each machine dependent implementation is expected to
struct pmap_statistics {
integer_t resident_count; /* # of pages mapped (total)*/
+ integer_t resident_max; /* # of pages mapped (peak) */
integer_t wired_count; /* # of pages wired */
};
typedef struct pmap_statistics *pmap_statistics_t;
-#define VM_FLAGS_FIXED 0x0
-#define VM_FLAGS_ANYWHERE 0x1
+#endif /* MACH_KERNEL_PRIVATE */
+
+/*
+ * VM allocation flags:
+ *
+ * VM_FLAGS_FIXED
+ * (really the absence of VM_FLAGS_ANYWHERE)
+ * Allocate new VM region at the specified virtual address, if possible.
+ *
+ * VM_FLAGS_ANYWHERE
+ * Allocate new VM region anywhere it would fit in the address space.
+ *
+ * VM_FLAGS_PURGABLE
+ * Create a purgable VM object for that new VM region.
+ *
+ * VM_FLAGS_NO_PMAP_CHECK
+ * (for DEBUG kernel config only, ignored for other configs)
+ * Do not check that there is no stale pmap mapping for the new VM region.
+ * This is useful for kernel memory allocations at bootstrap when building
+ * the initial kernel address space while some memory is already in use.
+ *
+ * VM_FLAGS_OVERWRITE
+ * The new VM region can replace existing VM regions if necessary
+ * (to be used in combination with VM_FLAGS_FIXED).
+ *
+ * VM_FLAGS_NO_CACHE
+ * Pages brought in to this VM region are placed on the speculative
+ * queue instead of the active queue. In other words, they are not
+ * cached so that they will be stolen first if memory runs low.
+ */
+#define VM_FLAGS_FIXED 0x0000
+#define VM_FLAGS_ANYWHERE 0x0001
+#define VM_FLAGS_PURGABLE 0x0002
+#define VM_FLAGS_NO_CACHE 0x0010
+
+#ifdef KERNEL_PRIVATE
+#define VM_FLAGS_NO_PMAP_CHECK 0x8000 /* do not check that pmap is empty */
+#define VM_FLAGS_OVERWRITE 0x4000 /* delete any existing mappings first */
+#define VM_FLAGS_BEYOND_MAX 0x2000 /* map beyond the map's limits */
+#define VM_FLAGS_ALREADY 0x1000 /* OK if same mapping already exists */
+#define VM_FLAGS_SUBMAP 0x0800 /* mapping a VM submap */
+#endif /* KERNEL_PRIVATE */
+#define VM_FLAGS_GUARD_BEFORE 0x0010
+#define VM_FLAGS_GUARD_AFTER 0x0020
+
#define VM_FLAGS_ALIAS_MASK 0xFF000000
#define VM_GET_FLAGS_ALIAS(flags, alias) \
(alias) = ((flags) & VM_FLAGS_ALIAS_MASK) >> 24
(flags) = (((flags) & ~VM_FLAGS_ALIAS_MASK) | \
(((alias) & ~VM_FLAGS_ALIAS_MASK) << 24))
+/* These are the flags that we accept from user-space */
+#define VM_FLAGS_USER_ALLOCATE (VM_FLAGS_FIXED | \
+ VM_FLAGS_ANYWHERE | \
+ VM_FLAGS_PURGABLE | \
+ VM_FLAGS_NO_CACHE | \
+ VM_FLAGS_ALIAS_MASK)
+#define VM_FLAGS_USER_MAP VM_FLAGS_USER_ALLOCATE
+
#define VM_MEMORY_MALLOC 1
#define VM_MEMORY_MALLOC_SMALL 2
#define VM_MEMORY_MALLOC_LARGE 3
#define VM_MEMORY_MALLOC_HUGE 4
#define VM_MEMORY_SBRK 5// uninteresting -- no one should call
+#define VM_MEMORY_REALLOC 6
+#define VM_MEMORY_MALLOC_TINY 7
#define VM_MEMORY_ANALYSIS_TOOL 10
#define VM_MEMORY_CARBON 43
#define VM_MEMORY_JAVA 44
#define VM_MEMORY_ATS 50
+#define VM_MEMORY_LAYERKIT 51
+#define VM_MEMORY_CGIMAGE 52
+#define VM_MEMORY_TCMALLOC 53
+
+/* private raster data (i.e. layers, some images, QGL allocator) */
+#define VM_MEMORY_COREGRAPHICS_DATA 54
+/* shared image and font caches */
+#define VM_MEMORY_COREGRAPHICS_SHARED 55
+
+/* Memory used for virtual framebuffers, shadowing buffers, etc... */
+#define VM_MEMORY_COREGRAPHICS_FRAMEBUFFERS 56
+
+/* Window backing stores, custom shadow data, and compressed backing stores */
+#define VM_MEMORY_COREGRAPHICS_BACKINGSTORES 57
+
+/* catch-all for other uses, such as the read-only shared data page */
+#define VM_MEMORY_COREGRAPHICS_MISC VM_MEMORY_COREGRAPHICS
/* memory allocated by the dynamic loader for itself */
#define VM_MEMORY_DYLD 60
#define VM_MEMORY_APPLICATION_SPECIFIC_1 240
#define VM_MEMORY_APPLICATION_SPECIFIC_16 255
-#define VM_MAKE_TAG(tag) (tag<<24)
-#endif /* VM_STATISTICS_H_ */
+#define VM_MAKE_TAG(tag) ((tag) << 24)
+
+#endif /* _MACH_VM_STATISTICS_H_ */
projects / apple / xnu.git / blobdiff